OrdinaryMagician/vkdoom_m
OrdinaryMagician/vkdoom_m
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- use the light buffer to handle dynamic lighting.

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This commit is contained in:
Christoph Oelckers 2014-08-01 20:59:39 +02:00
commit 7967082e60
17 changed files with 189 additions and 192 deletions
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25
src/gl/shaders/gl_shader.cpp
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@ -57,6 +57,7 @@
#include "gl/system/gl_cvars.h"
#include "gl/shaders/gl_shader.h"
#include "gl/textures/gl_material.h"
#include "gl/dynlights/gl_lightbuffer.h"
//==========================================================================
//
@ -86,10 +87,19 @@ bool FShader::Load(const char * name, const char * vert_prog_lump, const char *
//
// The following code uses GetChars on the strings to get rid of terminating 0 characters. Do not remove or the code may break!
//
unsigned int lightbuffertype = GLRenderer->mLights->GetBufferType();
unsigned int lightbuffersize = GLRenderer->mLights->GetBlockSize();
FString vp_comb = "#version 130\n";
// todo when using shader storage buffers, add
// "#version 400 compatibility\n#extension GL_ARB_shader_storage_buffer_object : require\n" instead.
FString vp_comb;
if (lightbuffertype == GL_UNIFORM_BUFFER)
{
vp_comb.Format("#version 130\n#extension GL_ARB_uniform_buffer_object : require\n#define NUM_UBO_LIGHTS %d\n", lightbuffersize);
}
else
{
vp_comb = "#version 400 compatibility\n#extension GL_ARB_shader_storage_buffer_object : require\n#define SHADER_STORAGE_LIGHTS\n";
}
if (!(gl.flags & RFL_BUFFER_STORAGE))
{
@ -196,7 +206,7 @@ bool FShader::Load(const char * name, const char * vert_prog_lump, const char *
muLightParms.Init(hShader, "uLightAttr");
muColormapStart.Init(hShader, "uFixedColormapStart");
muColormapRange.Init(hShader, "uFixedColormapRange");
muLightRange.Init(hShader, "uLightRange");
muLightIndex.Init(hShader, "uLightIndex");
muFogColor.Init(hShader, "uFogColor");
muDynLightColor.Init(hShader, "uDynLightColor");
muObjectColor.Init(hShader, "uObjectColor");
@ -218,10 +228,13 @@ bool FShader::Load(const char * name, const char * vert_prog_lump, const char *
modelmatrix_index = glGetUniformLocation(hShader, "ModelMatrix");
texturematrix_index = glGetUniformLocation(hShader, "TextureMatrix");
int tempindex = glGetUniformBlockIndex(hShader, "LightBufferUBO");
if (tempindex != -1) glUniformBlockBinding(hShader, tempindex, LIGHTBUF_BINDINGPOINT);
glUseProgram(hShader);
int texture_index = glGetUniformLocation(hShader, "texture2");
if (texture_index > 0) glUniform1i(texture_index, 1);
tempindex = glGetUniformLocation(hShader, "texture2");
if (tempindex > 0) glUniform1i(tempindex, 1);
glUseProgram(0);
return !!linked;